Caterpillar Mini Excavator 302.7CR

303 CR Mini Hydraulic Excavator

303 CR Mini Hydraulic Excavator

The Cat® 303 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

  • Net Power 23.6 hp

  • Operating Weight 7817 lb

  • Dig Depth 116.1 in

  • Engine Model C1.1 Turbo

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Product Specifications

Specifications

Engine

  • Bore 3in

  • Displacement 69in³

  • Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

  • Engine Model C1.1 Turbo

  • Net Power 23.6hp

  • Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 23.6hp

  • Net Power - ISO 9249 24.7hp

  • Note Advertised power is tested per the specified standard in effect at the time of manufacture.

  • Note (1) Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.

  • Stroke 3.2in

Weights

  • EU: CE Plate Weight with Cab*** 7012lb

  • EU: CE Plate Weight with Canopy*** 6791lb

  • Maximum Operating Weight with Cab** 7817lb

  • Maximum Operating Weight with Canopy** 7552lb

  • Minimum Operating Weight with Cab* 6924lb

  • Minimum Operating Weight with Canopy* 6670lb

  • Note (1) *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and extra counterweight.

  • Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight.

  • Note (3) ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.

  • Operating Weight 7817lb

Dimensions - Long Stick

  • Boom Height - Shipping Position 75.6in

  • Boom In Reach 74.2in

  • Boom Swing - Left 25.2in

  • Boom Swing - Right 34.3in

  • Dig Depth 116.1in

  • Maximum Blade Depth 21.1in

  • Maximum Blade Height 15.2in

  • Maximum Dig Height 183.1in

  • Maximum Dump Clearance 130.3in

  • Maximum Reach 206.3in

  • Maximum Reach - Ground Level 201.2in

  • Minimum Ground Clearance Below Undercarriage 12.2in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 97.6in

  • O/A Undercarriage Length 81.5in

  • Overall Shipping Length* 179.5in

  • Stick Length 61.4in

  • Swing Bearing - Height 22.4in

  • Tail Swing - with Extra Counterweight 35in

  • Tail Swing without Counterweight 30.5in

  • Track Belt/Shoe Width 11.8in

  • Track Width 61in

  • Vertical Wall 81.5in

Sustainability

  • Recyclability 95%

Service Refill Capacities

  • Cooling System 1.1gal (US)

  • Engine Oil 1.1gal (US)

  • Fuel Tank 11.9gal (US)

  • Hydraulic System 9.2gal (US)

  • Hydraulic Tank 4.8gal (US)

Air Conditioning System

  • Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1

Certification - Cab and Canopy

  • Roll Over Protective Structure (ROPS) ISO 12117-2:2008

  • Tip Over Protective Structure (TOPS) ISO 12117:1997

  • Top Guard ISO 10262:1998 (Level I)

Travel System

  • Gradeability - Maximum 30 degrees

  • Ground Pressure - Maximum Weight 4.7psi

  • Ground Pressure - Minimum Weight 4psi

  • Maximum Traction Force - High Speed 3305lbf

  • Maximum Traction Force - Low Speed 7059lbf

  • Travel Speed - High 2.8mile/h

  • Travel Speed - Low 1.6mile/h

Dimensions - Standard Stick

  • Boom Height - Shipping Position 63in

  • Boom In Reach 68.9in

  • Boom Swing - Left 25.2in

  • Boom Swing - Right 34.3in

  • Dig Depth 104.3in

  • Maximum Blade Depth 21.1in

  • Maximum Blade Height 15.2in

  • Maximum Dig Height 177.6in

  • Maximum Dump Clearance 124.8in

  • Maximum Reach 196.1in

  • Maximum Reach - Ground Level 190.2in

  • Minimum Ground Clearance Below Undercarriage 12.2in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 97.6in

  • O/A Undercarriage Length 81.5in

  • Overall Shipping Length* 177.6in

  • Stick Length 49.6in

  • Swing Bearing - Height 22.4in

  • Tail Swing with Extra Counterweight 35in

  • Tail Swing without Counterweight 30.5in

  • Track Belt/Shoe Width 11.8in

  • Vertical Wall 71.7in

Hydraulic System

  • Auxiliary Circuit - Primary - Flow 17gpm

  • Auxiliary Circuit - Primary - Pressure 3553psi

  • Auxiliary Circuit - Secondary - Flow 7gpm

  • Auxiliary Circuit - Secondary - Pressure 3553psi

  • Digging Force - Bucket 6385lbf

  • Digging Force - Stick - Long 3327lbf

  • Digging Force - Stick - Standard 3732lbf

  • Note * Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

  • Operating Pressure - Equipment 3553psi

  • Operating Pressure - Swing 2553psi

  • Operating Pressure - Travel 3553psi

  • Pump Flow at 2,400 rpm 26gpm

  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

  • Boom Swing - Left 75°

  • Boom Swing - Right 50°

  • Machine Swing Speed 9r/min

Blade

  • Height 13.8in

  • Width 61in

Weight Increase from Minimum Configuration

  • Cab 254lb

  • Counterweight 221lb

  • Extra Counterweight 551lb

  • Long Stick 55lb

  • Steel Tracks 276lb

Sound

  • Average Exterior Sound Pressure (ISO 6395:2008) 94dB(A)

  • Note European Union Directive “2000/14/EC”

  • Operator Sound Pressure (ISO 6396:2008) 78dB(A)

Features

Equipment

Standard Equipment

  • Cat C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)

  • Cat C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)

  • Automatic Engine Idle

  • Automatic Engine Idle

  • Automatic Engine Shutdown

  • Automatic Engine Shutdown

  • Automatic Two Speed Travel

  • Automatic Two Speed Travel

  • Fuel Water Separator

  • Fuel Water Separator

  • Power on Demand (not available in all regions)

  • Power on Demand (not available in all regions)

  • Variable Displacement Piston Pump

  • Variable Displacement Piston Pump

  • Load Sensing/Flow Sharing Hydraulics

  • Load Sensing/Flow Sharing Hydraulics

  • Smart Tech Electronic Pump

  • Accumulator

  • Smart Tech Electronic Pump

  • Automatic Swing Brake

  • Accumulator

  • Auxiliary Line Quick Disconnects

  • Automatic Swing Brake

  • One and Two Way Auxiliary Flow

  • Auxiliary Hydraulic Lines

  • Continuous Auxiliary Flow

  • One and Two Way Auxiliary Flow

  • Auxiliary Hydraulic Lines

  • Continuous Auxiliary Flow

  • Auxiliary Line Quick Disconnects

  • Top Guard ISO 10262:1998 Level I

  • ROPS – ISO 12117-2:2008

  • TOPS – ISO 12117:1997

  • Top Guard ISO 10262:1998 (Level I)

  • Tilt-up Canopy or Tilt-Up Cab

  • Stick Steer Mode

  • Tilt-up Canopy or Tilt-Up Cab

  • Travel Cruise Control

  • Control Pattern Changer (optional in some regions)

  • ROPS – ISO 12117-2:2008

  • Adjustable Wrist Rests

  • TOPS – ISO 12117:1997

  • Washable Floor Mat

  • Next Generation Advanced Monitor
    – Touch Screen
    – Site Reference System
    – High Definition Camera Capable (IP68 and IP69K)
    – Numeric Security Code

  • Travel Pedals and Hand Levers

  • Stick Steer Mode

  • Machine Security

  • Travel Cruise Control

  • Machine Security – Standard Key with Pass Code

  • Control Pattern Changer (optional in some regions)

  • Fabric Suspension Seat (Cab only)

  • Adjustable Wrist Rests

  • Vinyl Suspension Seat (Canopy only)

  • Washable Floor Mat

  • Hydraulic Lockout – All Controls

  • Travel Pedals and Hand Levers

  • Retractable High Visibility Seat Belt (75 mm/3 in)

  • Machine Security

  • Coat Hook

  • Machine Security – Standard Key with Pass Code

  • Cup Holder

  • Fabric Suspension Seat (Cab only)

  • Storage Pocket

  • Vinyl Suspension Seat (Canopy only)

  • Skylight

  • Hydraulic Lockout – All Controls

  • Mounting Bosses for Front

  • Retractable High Visibility Seat Belt (75 mm/3 in)

  • Signaling/Warning Horn

  • Coat Hook

  • Interior Light (Cab only)

  • Cup Holder

  • Boom Light, Halogen (not available in all regions)

  • Storage Pocket

  • Utility Space for Mobile Phone

  • Skylight

  • Next Generation Color LCD Monitor (IP66)
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Hour Meter with Wake Up Switch
    – Jog Dial (cab only)

  • Mounting Bosses for Front

  • Signaling/Warning Horn

  • Interior Light (Cab only)

  • Boom Light, Halogen

  • Utility Space for Mobile Phone

  • Next Generation Color LCD Monitor (IP66)
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Hour Meter with Wake Up Switch
    – Jog Dial (cab only)

  • Rubber Belt (300 mm/11.8 in wide)

  • Dozer Blade

  • Dozer Blade Float

  • Tie Downs on Track Frame

  • Rubber Belt (300 mm/11.8 in wide)

  • Dozer Blade

  • Dozer Blade Float

  • Tie Downs on Track Frame

  • One Piece Boom (2200 mm/86.6 in)

  • Standard Stick (1260 mm/49.6 in)

  • Front Shovel Capable

  • Front Shovel Capable – Pin-On

  • Thumb Ready (not available in all regions)

  • Certified Lifting Eye (optional in some regions)

  • One Piece Boom (2200 mm/86.6 in)

  • Standard Stick (1260 mm/49.6 in)

  • Front Shovel Capable – Hydraulic Coupler

  • Front Shovel Capable – Pin-On

  • Thumb Ready (not available in all regions)

  • Certified Lifting Eye (optional in some regions)

  • 12 Volt Battery

  • Software (machine and monitor)

  • Maintenance Free Battery

  • Lock Out/Tag Out Battery Disconnect

  • Signaling/Warning Horn

  • 12 Volt Power Socket

  • 12 Volt Battery

  • Software (machine and monitor)

  • Maintenance Free Battery

  • Signaling/Warning Horn

  • 12 Volt Power Socket

Optional Equipment

  • Cab with Air Conditioning

  • Cab with Air Conditioning

  • Cab with Heater

  • Cab with Heater

  • Control Pattern Changer (optional in some regions)

  • Control Pattern Changer (optional in some regions)

  • No Travel Pedals and Hand Levers

  • No Travel Pedals and Hand Levers

  • Machine Security – Push to Start with Key Fob/Pass Code

  • Machine Security – Push to Start with Key Fob/Pass Code

  • Vinyl Non-Suspension Seat (Canopy only)

  • Vinyl Non-Suspension Seat (Canopy only)

  • Seat Belt Reminder System

  • LED Front Lights

  • LED Front Lights

  • LED Front and Rear Lights

  • LED Front and Rear Lights

  • LED Boom Light

  • LED Boom Light

  • Mirrors Left and Right

  • Mirrors Left and Right

  • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)

  • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)

  • Next Generation Advanced Monitor
    – Touch Screen
    – Site Reference System
    – High Definition Camera Capable (IP68 and IP69K)
    – Numeric Security Code

  • Steel Track (300 mm/11.8 in wide)

  • Steel Track (300 mm/11.8 in wide)

  • Long Stick (1560 mm/61.4 in)

  • Long Stick (1560 mm/61.4 in)

  • Front Shovel Capable – Dual Lock Manual Coupler

  • Front Shovel Capable – Dual Lock Manual Coupler

  • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers

  • Front Shovel Capable – Hydraulic Coupler

  • 2nd Auxiliary Hydraulic Lines

  • 2nd Auxiliary Hydraulic Lines

  • Boom Lowering Check Valve

  • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers

  • Stick Lowering Check Valve

  • Boom Lowering Check Valve (Standard in Europe)

  • Hydraulic Quick Coupler Lines (not available in all regions)

  • Stick Lowering Check Valve (Standard in Europe)

  • Hydraulic Quick Coupler Lines (not available in all regions)

  • Battery Disconnect

  • Product Link PL243 (regulations apply)

  • Product Link PL243 (regulations apply)

  • Product Link PLE643 (regulations apply)

  • Product Link PLE643 (regulations apply)

  • Travel Alarm (standard in some regions)

  • Travel Alarm (standard in some regions)

  • Polycarbonate Half Height Front Guard (Canopy only)

  • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)

  • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)

  • Polycarbonate Half Height Front Guard (Canopy only)

  • Bio Oil Capable

  • Eco Drain

  • Water Jacket Heater

  • Bio Oil Capable

  • Eco Drain

  • Water Jacket Heater